#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
constexpr int maxn = 100000 + 10;
int a[maxn], c[maxn];
int main()
{
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    for (int i=1;i<=n;++i) cin >> a[i], ++c[a[i]];
    int x = 0;
    for (int i=0;i<maxn;++i) x = max(x, c[i]);
    cout << x << '\n';
    return 0;
}